//package com.fly.crmanagement.util;
//
//import com.google.zxing.*;
//import com.google.zxing.common.BitMatrix;
//import com.google.zxing.common.HybridBinarizer;
//import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
//
//import javax.imageio.ImageIO;
//import java.awt.*;
//import java.awt.geom.RoundRectangle2D;
//import java.awt.image.BufferedImage;
//import java.io.File;
//import java.io.OutputStream;
//import java.util.Hashtable;
//
//public class QRCodeUtil {
//    private static final String CHARSET = "utf-8";
//    private static final String FORMAT_NAME = "JPG";
//    // 二维码尺寸
//    private static final int QRCODE_SIZE = 300;
//    // LOGO宽度
//    private static final int WIDTH = 60;
//    // LOGO高度
//    private static final int HEIGHT = 60;
//
//    private static BufferedImage createImage(String content, String imgPath, boolean needCompress) throws Exception {
//        Hashtable hints = new Hashtable();
//        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
//        hints.put(EncodeHintType.CHARACTER_SET, CHARSET);
//        hints.put(EncodeHintType.MARGIN, 1);
//        BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, QRCODE_SIZE, QRCODE_SIZE,
//                hints);
//        int width = bitMatrix.getWidth();
//        int height = bitMatrix.getHeight();
//        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
//        for (int x = 0; x < width; x++) {
//            for (int y = 0; y < height; y++) {
//                image.setRGB(x, y, bitMatrix.get(x, y) ? 0xFF000000 : 0xFFFFFFFF);
//            }
//        }
//        if (imgPath == null || "".equals(imgPath)) {
//            return image;
//        }
//        // 插入图片
//        QRCodeUtil.insertImage(image, imgPath, needCompress);
//        return image;
//    }
//
//    private static void insertImage(BufferedImage source, String imgPath, boolean needCompress) throws Exception {
//        File file = new File(imgPath);
//        if (!file.exists()) {
//            System.err.println("" + imgPath + "   该文件不存在！");
//            return;
//        }
//        Image src = ImageIO.read(new File(imgPath));
//        int width = src.getWidth(null);
//        int height = src.getHeight(null);
//        if (needCompress) { // 压缩LOGO
//            if (width > WIDTH) {
//                width = WIDTH;
//            }
//            if (height > HEIGHT) {
//                height = HEIGHT;
//            }
//            Image image = src.getScaledInstance(width, height, Image.SCALE_SMOOTH);
//            BufferedImage tag = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
//            Graphics g = tag.getGraphics();
//            g.drawImage(image, 0, 0, null); // 绘制缩小后的图
//            g.dispose();
//            src = image;
//        }
//        // 插入LOGO
//        Graphics2D graph = source.createGraphics();
//        int x = (QRCODE_SIZE - width) / 2;
//        int y = (QRCODE_SIZE - height) / 2;
//        graph.drawImage(src, x, y, width, height, null);
//        Shape shape = new RoundRectangle2D.Float(x, y, width, width, 6, 6);
//        graph.setStroke(new BasicStroke(3f));
//        graph.draw(shape);
//        graph.dispose();
//    }
//
//    public static void encode(String content, String imgPath, String destPath, boolean needCompress) throws Exception {
//        BufferedImage image = QRCodeUtil.createImage(content, imgPath, needCompress);
//        mkdirs(destPath);
//        // String file = new Random().nextInt(99999999)+".jpg";
//        // ImageIO.write(image, FORMAT_NAME, new File(destPath+"/"+file));
//        ImageIO.write(image, FORMAT_NAME, new File(destPath));
//    }
//
//    public static BufferedImage encode(String content, String imgPath, boolean needCompress) throws Exception {
//        BufferedImage image = QRCodeUtil.createImage(content, imgPath, needCompress);
//        return image;
//    }
//
//    public static void mkdirs(String destPath) {
//        File file = new File(destPath);
//        // 当文件夹不存在时，mkdirs会自动创建多层目录，区别于mkdir．(mkdir如果父目录不存在则会抛出异常)
//        if (!file.exists() && !file.isDirectory()) {
//            file.mkdirs();
//        }
//    }
//
//    public static void encode(String content, String imgPath, String destPath) throws Exception {
//        QRCodeUtil.encode(content, imgPath, destPath, false);
//    }
//    // 被注释的方法
//    /*
//     * public static void encode(String content, String destPath, boolean
//     * needCompress) throws Exception { QRCodeUtil.encode(content, null, destPath,
//     * needCompress); }
//     */
//
//    public static void encode(String content, String destPath) throws Exception {
//        QRCodeUtil.encode(content, null, destPath, false);
//    }
//
//    public static void encode(String content, String imgPath, OutputStream output, boolean needCompress)
//            throws Exception {
//        BufferedImage image = QRCodeUtil.createImage(content, imgPath, needCompress);
//        ImageIO.write(image, FORMAT_NAME, output);
//    }
//
//    public static void encode(String content, OutputStream output) throws Exception {
//        QRCodeUtil.encode(content, null, output, false);
//    }
//
//    public static String decode(File file) throws Exception {
//        BufferedImage image;
//        image = ImageIO.read(file);
//        if (image == null) {
//            return null;
//        }
//        BufferedImageLuminanceSource source = new BufferedImageLuminanceSource(image);
//        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
//        Result result;
//        Hashtable hints = new Hashtable();
//        hints.put(DecodeHintType.CHARACTER_SET, CHARSET);
//        result = new MultiFormatReader().decode(bitmap, hints);
//        String resultStr = result.getText();
//        return resultStr;
//    }
//
//    public static String decode(String path) throws Exception {
//        return QRCodeUtil.decode(new File(path));
//    }
//
//}
